./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:30:07,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:30:07,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:30:07,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:30:07,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:30:07,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:30:07,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:30:07,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:30:07,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:30:07,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:30:07,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:30:07,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:30:07,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:30:07,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:30:07,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:30:07,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:30:07,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:30:07,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:30:07,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:30:07,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:30:07,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:30:07,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:30:07,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:30:07,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:30:07,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:30:07,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:30:07,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:30:07,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:30:07,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:30:07,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:30:07,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:30:07,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:30:07,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:30:07,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:30:07,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:30:07,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:30:07,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:30:07,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:30:07,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:30:07,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:30:07,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:30:07,571 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2022-11-25 17:30:07,614 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:30:07,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:30:07,618 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:30:07,619 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:30:07,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:30:07,620 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:30:07,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:30:07,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:30:07,621 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:30:07,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:30:07,622 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:30:07,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:30:07,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:30:07,623 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 17:30:07,623 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 17:30:07,623 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 17:30:07,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:30:07,624 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:30:07,624 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:30:07,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:30:07,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:30:07,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:30:07,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:30:07,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:30:07,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:30:07,625 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:30:07,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:30:07,626 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:30:07,626 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:30:07,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:30:07,627 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2022-11-25 17:30:07,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:30:07,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:30:07,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:30:07,925 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:30:07,926 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:30:07,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-25 17:30:11,038 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:30:11,345 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:30:11,346 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-25 17:30:11,387 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/data/d7a5a3459/611ac1ab06414d4cb18b7ffbf48ab306/FLAGddaca51d2 [2022-11-25 17:30:11,407 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/data/d7a5a3459/611ac1ab06414d4cb18b7ffbf48ab306 [2022-11-25 17:30:11,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:30:11,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:30:11,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:30:11,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:30:11,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:30:11,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:30:11" (1/1) ... [2022-11-25 17:30:11,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7574442b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:11, skipping insertion in model container [2022-11-25 17:30:11,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:30:11" (1/1) ... [2022-11-25 17:30:11,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:30:11,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:30:12,772 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 17:30:12,775 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-25 17:30:12,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3448db8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:12, skipping insertion in model container [2022-11-25 17:30:12,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:30:12,778 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 17:30:12,780 INFO L158 Benchmark]: Toolchain (without parser) took 1365.07ms. Allocated memory is still 132.1MB. Free memory was 83.6MB in the beginning and 63.1MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 17:30:12,781 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:30:12,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1362.38ms. Allocated memory is still 132.1MB. Free memory was 83.2MB in the beginning and 63.1MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 17:30:12,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 132.1MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1362.38ms. Allocated memory is still 132.1MB. Free memory was 83.2MB in the beginning and 63.1MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1913]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:30:15,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:30:15,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:30:15,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:30:15,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:30:15,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:30:15,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:30:15,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:30:15,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:30:15,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:30:15,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:30:15,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:30:15,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:30:15,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:30:15,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:30:15,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:30:15,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:30:15,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:30:15,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:30:15,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:30:15,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:30:15,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:30:15,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:30:15,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:30:15,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:30:15,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:30:15,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:30:15,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:30:15,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:30:15,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:30:15,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:30:15,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:30:15,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:30:15,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:30:15,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:30:15,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:30:15,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:30:15,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:30:15,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:30:15,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:30:15,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:30:15,299 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2022-11-25 17:30:15,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:30:15,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:30:15,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:30:15,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:30:15,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:30:15,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:30:15,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:30:15,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:30:15,341 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:30:15,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:30:15,342 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:30:15,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:30:15,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:30:15,343 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-25 17:30:15,343 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-25 17:30:15,343 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-25 17:30:15,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:30:15,344 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:30:15,344 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:30:15,344 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:30:15,344 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:30:15,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:30:15,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:30:15,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:30:15,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:30:15,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:30:15,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:30:15,346 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:30:15,346 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:30:15,346 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:30:15,346 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:30:15,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:30:15,347 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:30:15,347 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2022-11-25 17:30:15,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:30:15,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:30:15,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:30:15,741 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:30:15,744 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:30:15,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-25 17:30:18,840 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:30:19,216 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:30:19,221 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-25 17:30:19,257 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/data/0152a86b7/0b320acab4104fe0b964cbe59c7babb9/FLAG72ce3340b [2022-11-25 17:30:19,286 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede1b23-0668-4b73-9ffd-a17bdbaa51c6/bin/uautomizer-ZsLfNo2U6R/data/0152a86b7/0b320acab4104fe0b964cbe59c7babb9 [2022-11-25 17:30:19,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:30:19,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:30:19,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:30:19,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:30:19,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:30:19,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:30:19" (1/1) ... [2022-11-25 17:30:19,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26bad916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:19, skipping insertion in model container [2022-11-25 17:30:19,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:30:19" (1/1) ... [2022-11-25 17:30:19,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:30:19,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:30:20,514 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 17:30:20,517 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-25 17:30:20,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e060fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:30:20, skipping insertion in model container [2022-11-25 17:30:20,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:30:20,518 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 17:30:20,520 INFO L158 Benchmark]: Toolchain (without parser) took 1226.79ms. Allocated memory is still 73.4MB. Free memory was 46.2MB in the beginning and 45.2MB in the end (delta: 1.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-11-25 17:30:20,520 INFO L158 Benchmark]: CDTParser took 1.09ms. Allocated memory is still 73.4MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:30:20,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1222.05ms. Allocated memory is still 73.4MB. Free memory was 46.0MB in the beginning and 45.2MB in the end (delta: 828.9kB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-11-25 17:30:20,522 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09ms. Allocated memory is still 73.4MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1222.05ms. Allocated memory is still 73.4MB. Free memory was 46.0MB in the beginning and 45.2MB in the end (delta: 828.9kB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1913]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN